Question

Solve the system by substitution
2x + y = -11
3x -4y = 11
Needing help with substitution..

Answer 1

get one of the variables to the same coefficient

Answer 2

Do what?

Answer 3

sorry

Answer 4

I mis - read the question !!

Answer 5

2x + y = -11

move 2x to the other side

Answer 6

so y= -11 - 2x?

Answer 7

yes :)

Answer 8

now, you can substitute y in the 2nd eq

3x -4y = 11
3x - 4( -11 -2x ) = 11

Answer 9

So pretty much I just have to solve the first equation and plug it in to the second one?

Answer 10

yes

Answer 11

Alright. Sounds easy enough.. Thank you(: